222247111156 has 24 divisors (see below), whose sum is σ = 444508284416. Its totient is φ = 95245748640.

The previous prime is 222247111153. The next prime is 222247111157. The reversal of 222247111156 is 651111742222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222247111153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931426 + ... + 1145446.

Almost surely, 2^222247111156 is an apocalyptic number.

It is an amenable number.

222247111156 is an abundant number, since it is smaller than the sum of its proper divisors (222261173260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222247111156 is a wasteful number, since it uses less digits than its factorization.

222247111156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251119 (or 251117 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

Adding to 222247111156 its reverse (651111742222), we get a palindrome (873358853378).

The spelling of 222247111156 in words is "two hundred twenty-two billion, two hundred forty-seven million, one hundred eleven thousand, one hundred fifty-six".